GHAZNAVID SECRET SERVICE DIWAN-BARID OF LAHORE REPORT OF HISTORIAN TAJ-UD-DIN HASSAN NIZAMI In the spurt of the Ghaznavid conquests in this region, Sultan Mahmud Ghaznavi realized the importance of an agency trying to collect information for consolidation of his rule. A secret network was formed and the informers to the Sultan included many Hindu Rajas. … Continue reading GHAZNAVID SECRET SERVICE DIWAN-BARID OF LAHORE – REPORT OF HISTORIAN TAJ-UD-DIN HASSAN NIZAMI